Originally Posted by Junior2JZ
I wouldn't use log data. My logs vs gps were pretty far off ( .5-1sec)
I am using a performance box (vbox) to measure all my times.
Will add more as soon as I get home.
Have you compared your log to gps to vbox? I would think gps would be most inaccurate as most can only be accurate to within ~30ft. But like I said no data on my end to back it, just opinion